. 2019 Nov 21;92(1104):20190524. doi: 10.1259/bjr.20190524
© 2019 The Authors. Published by the British Institute of Radiology
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.
